Federal University of Pernambuco-UFPE, Department of Pharmaceutical Sciences, Laboratory of Pharmacognosy. Rua Professor Artur de Sá, s / n, Cidade Universitária, CEP 50740-521, Recife-PE, Brazil.
Graduated in Pharmacy from the Federal University of Pernambuco (1994), holds a master's degree (1997) and a PhD in Pharmaceutical Sciences from the Federal University of Rio Grande do Sul (2002). CAPES-DAAD fellow at the Department of Pharmaceutical Technology - Eberhard Karls Universität, Tübingen (2000-2001),. He acted as Adjunct Professor in the Department of Pharmacy at UFRN (JUL / 2002-DEC / 2008), deputy coordinator of PPGCF-UFRN (2005-2008) and deputy head of department (2008). Member of the Brazilian Pharmacopoeia Commission (2008-2013): Thematic Technical Committee on Medicinal Plants (since 2008), and Thematic Technical Committee on Markers and Herbal Patterns (2012-2013). Member of the Brazilian Society of Pharmacognosy (secretary: 2009-2011; and vice-president 2013-2015) and of the Brazilian Association of Pharmaceutical Sciences - ABCF (1st treasurer: 2012-2013; and, fiscal council 2013-2015). He is currently an Associate Professor in the Department of Pharmaceutical Sciences at UFPE (DEC / 2008) and deputy coordinator of the Postgraduate Program in Therapeutic Innovation PPGIT / CCB / UFPE (2013-2015). Scholarship holder PQ2 / CNPq (since 2009) and PDE CAPES / DAAD (Uni-Tübingen, 2015), has experience in the areas of Pharmaceutical Technology and Quality Control, with an emphasis on analytical and technological development of herbal medicines.
Magda Rhayanne Assunção Ferreira
Federal University of Pernambuco-UFPE, Department of Pharmaceutical Sciences, Laboratory of Pharmacognosy. Rua Professor Artur de Sá, s / n, Cidade Universitária, CEP 50740-521, Recife-PE, Brazil.
The aim of this work was the evaluation of influence from excipients on the properties of tablets containing high-dose of granules from spray-dried product of Maytenus ilicifolia leaves. Thus several excipients were studied such as filler/binder (microcrystalline cellulose; microcrystalline cellulose co-processed with α-lactose monohydrated; α-lactose monohydrated co-processed with polyvinylpyrrolidone and cross-linked polyvinylpyrrolidone; or, calcium phosphate); superdisintegrants (sodium starch glycolate, sodium cellulose glycolate or cross-linked polyvinylpyrrolidone); and, lubricants/glidants (colloidal silicon dioxide and magnesium stearate). The crushing strength and disintegration times of tablets were preliminarily evaluated, and the results showed that formulation containing microcrystalline cellulose and sodium cellulose glycolate produced tablets with appropriate crushing strength and disintegration time. The final tablets prepared by the selected excipients, showed crushing strength of 88.0 ± 5.2 N, absence of friability or weight variation, maximum disintegration time of 13.2 minutes and total dissolution at 25 minutes. The total tannin content evaluated by spectrophotometric assay, showed that the chemical constituents were stable during the technological transformations of the extractive solutions.
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Luiz Alberto Lira Soares
Federal University of Pernambuco-UFPE, Department of Pharmaceutical Sciences, Laboratory of Pharmacognosy. Rua Professor Artur de Sá, s / n, Cidade Universitária, CEP 50740-521, Recife-PE, Brazil.
Magda Rhayanne Assunção Ferreira
Federal University of Pernambuco-UFPE, Department of Pharmaceutical Sciences, Laboratory of Pharmacognosy. Rua Professor Artur de Sá, s / n, Cidade Universitária, CEP 50740-521, Recife-PE, Brazil.